//package com.hjy.demo.web.interceptor;
//
//import org.springframework.web.servlet.HandlerInterceptor;
//
//import javax.servlet.http.HttpServletRequest;
//import javax.servlet.http.HttpServletResponse;
//import java.io.PrintWriter;
//
//public class AuthorizationInterceptor implements HandlerInterceptor {
//    @Override
//    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
//        if (request.getSession().getAttribute("user")==null){
//            response.setContentType("text/html;charset=UTF-8");
//            PrintWriter out = response.getWriter();
//            out.print("<script>alert('请先登陆，再进行后续操作！(Interceptor控制)');location.href='"+request.getContextPath()+"/login';</script>");
//            return false;
//        }else {
//            return true;
//        }
//    }
//
//}